lowdpi.conf

<?xml version="1.0"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>


    <description>Settings and aliases for low DPI screens</description> 

    <!-- Force a DPI of 96, even on devices with a lower DPI. Manual TrueType
         hinting for small sizes is usually done at this standard DPI value. -->
    <match target="pattern" >
        <edit mode="assign" name="dpi" >
            <double>96</double>
        </edit>
    </match>

    <!-- Some fonts embed bitmaps for certain sizes. They are desirable on loDPI
         screens, but enabling them here can break fonts, e.g. Anonymous Pro.
         One solution is to set this as 'false', then disable AA for those sizes
         in pixelperfect.conf, but Firefox/Chrome break Wine's Tahoma. -->
    <match target="font" >
        <edit name="embeddedbitmap" mode="assign">
            <bool>true</bool>
        </edit>
    </match>

    <!-- Keep autohinter off, well-hinted fonts are used. Also, FreeType's
         autohinter is incompatible with sub-pixel rendering. -->
    <match target="font">
        <edit name="autohint" mode="assign">
            <bool>false</bool>
        </edit>
    </match>


    <!-- Aliases for the generic W3C font families. Ideally should match the
         metrics of the main OS'es generics: Helvetica / Courier / Times on
         macOS and Arial / Times New Roman / Courier New on Windows. -->
    <alias binding="strong">
        <family>serif</family>
        <prefer>
            <family>Liberation Serif</family>
            <family>PT Serif</family>
            <family>DejaVu Serif</family>
        </prefer>
    </alias>
    <alias binding="strong">
        <family>sans-serif</family>
        <prefer>
            <family>Liberation Sans</family>
            <family>PT Sans</family>
            <family>Ubuntu</family>
        </prefer>
    </alias>
    <alias binding="strong">
        <family>monospace</family>
        <prefer>
            <!-- Liberation Mono's metrics match Courier / Courier New, and it
                 also has italics, but its default line spacing is bad. -->
            <family>PT Mono</family>
            <family>Liberation Mono</family>
            <family>Ubuntu Mono</family>
        </prefer>
    </alias>
    <!-- Chrome picks Cursive and Fantasy aliases by itself. FIXME#5 
         Cursive and Fantasy aliases are ignored by WebKitGTK. FIXME#6 -->
    <alias binding="strong">
        <family>cursive</family>
        <prefer>
            <family>Kaushan Script</family>
        </prefer>
    </alias>
    <alias binding="strong">
        <family>fantasy</family>
        <prefer>
            <family>Lobster Two</family>
        </prefer>
    </alias>

    <!-- Aliases for the CSS 4 font families.
         This also shows the recommended typefaces for the UI interface.
         Recommended sizes for sans / serif / mono: 11 / 12 / 10. -->
    <alias binding="strong">
        <family>system-ui</family>
        <prefer>
            <family>PT Sans</family>
        </prefer>
    </alias>
    <alias binding="strong">
        <family>ui-sans-serif</family>
        <prefer>
            <family>PT Sans</family>
        </prefer>
    </alias>
    <alias binding="strong">
        <family>ui-serif</family>
        <prefer>
            <family>PT Serif</family>
        </prefer>
    </alias>
    <alias binding="strong">
        <family>ui-monospace</family>
        <prefer>
            <family>Luculent</family>
        </prefer>
    </alias>
    <alias binding="strong">
        <family>ui-rounded</family>
        <prefer>
            <family>Varela Round</family>
        </prefer>
    </alias>

    <!-- Aliases used to target the macOS UI font. Hijacked for our UI font. -->
    <alias binding="strong">
        <family>-apple-system</family>
        <prefer>
            <family>PT Sans</family>
        </prefer>
    </alias>
    <alias binding="strong">
        <family>-webkit-system-font</family>
        <prefer>
            <family>PT Sans</family>
        </prefer>
    </alias>
    <alias binding="strong">
        <family>BlinkMacSystemFont</family>
        <prefer>
            <family>PT Sans</family>
        </prefer>
    </alias>
    

        <!-- Metrically-identical replacements. -->

    <!-- Andale Mono, Source Code Pro, Droid Sans Mono, Noto Sans Mono.
         Andale Mono used on https://theintercept.com (fallback).
         Source Code Pro used on https://www.vice.com. -->
    <include prefix="xdg">fontconfig/lowdpi/noto-mono.conf</include>

    <!-- Bitstream Vera Serif, DejaVu Serif. -->
    <include prefix="xdg">fontconfig/lowdpi/dejavu-serif.conf</include>

    <!-- Courier, Courier New/Std. Not the greatest match, but Wine's Courier
         is far from good enough. Liberation Mono is even less of a match. -->
    <include prefix="xdg">fontconfig/lowdpi/pt-mono.conf</include>

    <!-- Helvetica, MS Sans Serif, Arimo, and other missing aliases.
         Arial used on many sites, e.g. https://www.google.com.
         Helvetica used on many sites, e.g. https://www.facebook.com.
         Helvetica Neue used on many sites, e.g. https://www.yahoo.com.
         Arimo used on https://www.anandtech.com. -->
    <include prefix="xdg">fontconfig/lowdpi/liberation-sans.conf</include>

    <!-- Liberation Mono, Menlo, Lucida Console, Lucida Sans Typewriter. -->
    <include prefix="xdg">fontconfig/lowdpi/liberation-mono.conf</include>

    <!-- Times New Roman, Times, MS Serif, Tinos, and other missing aliases.
         Times New Roman used on https://www.nlm.nih.gov/,
         https://www.latimes.com (fallback).
         Times used on https://www.thetimes.co.uk. -->
    <include prefix="xdg">fontconfig/lowdpi/liberation-serif.conf</include>

        <!-- End of metrically-identical replacements -->


        <!-- From here on, matches are not that great,
             but it's better to differentiate these typefaces. -->

    <!-- Arial Narrow and friends (Liberation Narrow is poorly hinted.)
         Other (even less similar) options: Cabin Condensed, Ubuntu Condensed.
         Arial Narrow used on: https://www.nbcnews.com (fallback),
         https://time.com (fallback). -->
    <include prefix="xdg">fontconfig/lowdpi/pt-sans-narrow.conf</include>

    <!-- Georgia, PT Serif. Similar metrics, with a slightly higher x-height for
         the latter. PT Serif is a much better alias for Georgia compared to
         Liberation/DejaVu Serif. None have Georgia's old-style figures though.
         Georgia used on many sites, e.g. https://www.washingtonpost.com.
         PT Serif used on https://time.com. -->
    <include prefix="xdg">fontconfig/lowdpi/pt-serif.conf</include>

    <!-- Geneva, Tahoma. This is Wine's Tahoma. Some Bold bitmaps are wrong.
         Tahoma used on many sites, e.g. https://web.telegram.org.
         Geneva used on https://news.ycombinator.com/ (fallback). -->
    <include prefix="xdg">fontconfig/lowdpi/tahoma.conf</include>

    <!-- Lucida Bright. -->
    <include prefix="xdg">fontconfig/lowdpi/pt-serif-caption.conf</include>

    <!-- Monotype Corsiva, Corsiva. -->
    <include prefix="xdg">fontconfig/lowdpi/felipa.conf</include>

    <!-- Proxima Nova. Most successful commercial font on the web. There's no
         open-source font with perfect hinting to replace it. To avoid falling
         back to default sans-serif, let's give Cabin a bit more use...
         Proxima Nova used on: https://www.cnbc.com, https://duckduckgo.com.
         Proxima Nova Cond used on https://gizmodo.com. -->
    <include prefix="xdg">fontconfig/lowdpi/cabin.conf</include>

    <!-- Segoe UI, Segoe, Lucida Sans/Grande, PT Sans, Cantarell.
         Segoe UI used on https://www.microsoft.com, https://msn.com, etc.
         Segoe used on https://outlook.live.com.
         Lucida Grande used on https://telegram.org, https://arxiv.org.
         Lucida Sans Unicode used on https://telegram.org (fallback). -->
    <include prefix="xdg">fontconfig/lowdpi/pt-sans.conf</include>

    <!-- Verdana, DejaVu Sans. Not that far away. Unfortunately, no italics.
         Verdana used on: https://www.imdb.com, https://news.ycombinator.com.-->
    <include prefix="xdg">fontconfig/lowdpi/pt-sans-caption.conf</include>


        <!-- Extra rules -->

    <!-- Recommended font for consoles/terminals. -->
    <include prefix="xdg">fontconfig/lowdpi/luculent.conf</include>

    <!-- Fonts frequently used w/o any fallbacks. Aliased to avoid serif. -->

    <!-- On https://arstechnica.com (the desktop site). -->
    <alias binding="same">
        <family>OpenSans</family>
        <prefer>
            <family>Liberation Sans</family>
        </prefer>
    </alias>
    <!-- On https://mashable.com. -->
    <alias binding="same">
        <family>LatoRegular</family>
        <prefer>
            <family>Liberation Sans</family>
        </prefer>
    </alias>

    <!-- Fix GitHub code font for WebKitGTK browsers. FIXME#3-->
    <alias binding="same">
        <family>SFMono-Regular</family>
        <prefer>
            <family>Luculent</family>
        </prefer>
    </alias>


</fontconfig>